Home / 15,859.76-23,800.56-5,471.50

Finding the Fourth Proportional to 15,859.76, 23,800.56 and 5,471.50

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Solution

The fourth proportional to 15,859.76, 23,800.56 and 5,471.50 is: 8,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.76 : 23,800.56 = 5,471.50 : x
  2. Step 2: Convert to fraction form
    15,859.76/23,800.56 = 5,471.50/x
  3. Step 3: Cross multiply
    15,859.76x = 23,800.56 × 5,471.50
  4. Step 4: Simplify right side
    15,859.76x = 130,224,764.04
  5. Step 5: Solve for x
    x = 130,224,764.04/15,859.76
  6. Step 6: Final answer
    x = 8,211.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.